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Walworth County, WI Parcels & GIS Data

Walworth County, WI parcel data: 77,218 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Walworth County, Wisconsin parcel data covering 77,218 property records.

This page documents parcel-level coverage for Walworth County, Wisconsin. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Walworth County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Walworth County property dataset.

Walworth County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 106,478. Its county seat is Elkhorn.

FIPS 55127

Official county website: http://www.co.walworth.wi.us

The FIPS code for Walworth County is 55127.

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Attribute coverage

Walworth County contains 77,218 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%77,218
parcelid100%77,218
parcelid2100%77,218
ogparcelid100%77,218
ogparcelid2100%77,218
parentid<0.1%0
stackid<0.1%0
geoid100%77,218
statefp100%77,218
countyfp100%77,218
countyname100%77,218
cousubfp100%77,218
cousubname100%77,218
tractce100%77,218
tractname100%77,218
taxacctnum0.2%150
taxyear100%77,218
taxdistrict92.2%71,179
usecode87.4%67,465
usedesc7.7%5,908
zoningcode9.1%7,023
zoningdesc10.7%8,269
numbldgs74.1%57,232
numunits67.7%52,300
yearbuilt<0.1%0
numfloors<0.1%13
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue93.6%72,281
landvalue95.3%73,602
agvalue<0.1%0
totalvalue95.3%73,602
taxacres95.9%74,055
calcarea100%77,218
saleamt<0.1%0
saledate<0.1%0
ownertype6.4%4,927
ownername91.4%70,604
owneraddr91.2%70,453
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr74.2%57,333
parcelcity94.7%73,106
parcelstate100%77,218
parcelzip100%77,218
legaldesc<0.1%0
township99.7%77,022
section99.7%77,022
qtrsection99.7%77,022
range99.7%77,022
plssdesc99.7%77,022
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.8%581
accesstype1.1%822
iucnclass0.8%599
placename12.3%9,525
placetype12.2%9,426
firmid100%77,216
firmdate100%77,216
fldzone100%77,216
zonesubty97.4%75,180
staticbfe0.2%155
elevmin98.5%76,087
elevmax98.5%76,087
elevavg98.5%76,087
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode13.1%10,084
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated93.4%72,122
centroidx100%77,218
centroidy100%77,218
surfpointx100%77,218
surfpointy100%77,218
geom100%77,218
extras100%77,218
ownerlist6.3%4,867
placefp59.4%45,882
zoningurl9.0%6,968
lbcsactivity90.4%69,773
lbcsfunction89.9%69,394
lbcstype92.3%71,307
lbcscharacter90.4%69,815
lbcsownership91.5%70,671
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Walworth County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Walworth County, Wisconsin (55127) 2 entities · most recent acquisition per entity · generated 2026-10-10 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL parcelid stateid taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode parceldate geom 27 cols ⇢ parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom extras ZONING code ordinanceu geom objectid_1 uid userid editdate overlay acres todd_zoning zoningcode ordinance geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.5% elevmin 98.5% elevmax 98.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.4% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 92.2% taxdistrict 74.1% numbldgs 67.7% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 59.4% placefp 90.4% lbcsactivity 89.9% lbcsfunction 92.3% lbcstype 90.4% lbcscharacter 91.5% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode zoningcode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras placefp lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate, ownercity ownerstate, ownerzip, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, zoningurl, sourceurl PARCEL 17 mapped · 1 transformed · 27 kept in extras · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode parceldate geom parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername concat_ws(';', ownernme1, ownernme2)::text owneraddr parceladdr parcelcity parcelstate parcelzip updated geom extras · 27 source columns preserved as json id, addnumpref, addnum, addnumsuff, prefix, streetname streettype, suffix, landmarkna, unittype, unitid, zip4 schooldist, schooldi_1, mflvalue, estfmkvalu, netprpta grsprpta, auxclass, deedacres, gisacres, coname, loaddate parcelfips, parcelsrc, longitude, latitude extras not present in source — filled with NULL (37) usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownercity, ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, taxdistrict parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 4 mapped · 1 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING code ordinanceu geom objectid_1 uid userid editdate overlay acres todd_zoning zoningcode ordinance geom extras json_build_object( 'objectid_1', objectid_1::text, 'uid', uid::… not present in source — filled with NULL (6) zoningdesc, zoningtype, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Walworth County:

Frequently asked questions

Where can I find Walworth County, WI parcel and GIS data?

Land Records publishes a Walworth County, WI parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Walworth County, WI dataset as a GeoPackage or CSV.

How many parcels are in Walworth County, WI?

The current dataset contains 77,218 parcel records for Walworth County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Walworth County, WI?

The FIPS code for Walworth County, WI is 55127.

What information does each Walworth County, WI parcel record include?

Each Walworth County, WI parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Walworth County, WI parcel data free?

You can preview Walworth County, WI parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Walworth County, WI have an official GIS or property records website?

Yes — the official Walworth County, WI government website is linked in the county details above. Land Records standardizes Walworth County, WI assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated